Bio 182 Ch.35 Homework Questions with Correct Answers

Going from northern to southern collection sites, what is the general trend in tooth size in leaves of Acer rubrum? - Answer-The leaves have larger teeth as you go from north to south. Going from northern to southern collection sites, what is the general trend in number of teeth in leaves of Acer rubrum? - Answer-The leaves have fewer teeth as you go from north to south. Look at Figure 2. Compare the trees grown from seeds collected in Ontario and Florida. When you grow both kinds of trees in Rhode Island, how does their number of teeth per leaf area compare with each other? - Answer-The leaves grown from Ontario seeds have twice as many teeth as the leaves grown from Florida seeds Now look at Figure 1 again. Compare the trees grown from seeds collected in Ontario and Florida. When you grow both kinds of trees in Florida, how does their average tooth area compare with each other? - Answer-The leaves grown from Florida seeds have more than twice the average tooth area as the leaves grown from Ontario seeds. Based on the data, which factor appears to have the most influence on leaf tooth traits in Acer rubrum trees? - Answer-Genotype mostly determines leaf tooth traits in Acer rubrum